package com.hyd.hx_adr.aspect;

import com.alibaba.fastjson.JSONObject;
import com.hyd.hx_adr.exception.BusinessException;
import com.hyd.hx_adr.utils.Sm4Utils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice
@Slf4j
public class ResponseBodyEncodeAdvice implements ResponseBodyAdvice {
    @Override
    public boolean supports(MethodParameter returnType, Class converterType) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if (body == null) {
            return body;
        }

        String jsonText = null;

        try {
            // 把响应体序列化为 JSON 字符串
            jsonText = JSONObject.toJSONString(body);
        } catch (Exception e) {
            throw new BusinessException("序列化响应体失败！");
        }

        return Sm4Utils.encode(jsonText);
    }
}
